Vana-pattha: Forest-wilderness: (🤖 5m)
4 types of forests. Monk considers how his meditation is progressing,
and whether he is getting enough of the requisites of living to survive.
If progress is going well, he should stay. If not, he should move on.
(case 1: everything difficult)
(case 2: 4 requisites easy to obtain)
(case 3: good progress, but hard to get 4 requisites)
(case 4: good progress, easy to get 4 requisites)